17. Dr Nav Chana

Primary care networks may be the new game in town, but they have been existing in another guise since 2015, thanks to Dr Nav Chana.

Dr Chana has been central to developing the National Primary Care Home Programme, which sees a range of practices and local health services organised around groups of up to 50,000 patients.

As former chair of the National Association of Primary Care, which runs the programme, he saw the model take off locally and now as the programme's national clinical director he continues to ensure its success.

The model was officially launched by NHS England in 2015 and has been adopted by 242 sites, which amounts to 20% of England’s population.